Home / 4,431.14-6,648.36-1,964.20

Finding the Fourth Proportional to 4,431.14, 6,648.36 and 1,964.20

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Solution

The fourth proportional to 4,431.14, 6,648.36 and 1,964.20 is: 2,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.14 : 6,648.36 = 1,964.20 : x
  2. Step 2: Convert to fraction form
    4,431.14/6,648.36 = 1,964.20/x
  3. Step 3: Cross multiply
    4,431.14x = 6,648.36 × 1,964.20
  4. Step 4: Simplify right side
    4,431.14x = 13,058,708.71
  5. Step 5: Solve for x
    x = 13,058,708.71/4,431.14
  6. Step 6: Final answer
    x = 2,947.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.